Process for removing constituents from a mixture

Details Process for removing constituents from a mixture Process for removing constituents from a mixture

1977-07-21

1979-05-15

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 36, 210 37R, 210 38B, 210 38C, B01D 1508

Patent

active

041546741

ABSTRACT:
The present process causes selective removal of a predetermined anionic or cationic constituent from a mixture containing a plurality of constituents by contacting the mixture with an extraction agent so as to remove the desired constituent from the mixture, and if desired eluting the constituent from the extraction agent, thus recovering the extracting agent for further use. The extraction agent has the general formula

REFERENCES:
patent: 3931123 (1976-01-01), Vacik et al.
patent: 4025641 (1977-05-01), Schaub et al.
Smid, J. et al., "Cation Binding Properties of Poly(Vinyl Macrocyclic Polyethers)", Chem. Abs. 75:49824j.
Kopolow et al., "Interactions of Ions and Ion Pairs with Crown Ethers and Their Polymers", Chem. Abs. 79:19292z.
Wong et al., "Binding of Organic Solutes to Poly(Crown Ethers) in Water", Chem. Abs. 87:118519a.
Flett, D., "Resin Impregnates: The Current Position", Chemistry and Industry, Aug. 6, 1977, pp. 641-646.
Sano et al., "Solid-Phase Method for Peptide Synthesis Using Macroreticular Copolymers", Biochim. Biophys. Acta, 244 (1971), pp. 201-205.
Kun et al., "Pore Structure of Some Macrorecticular Ion Exchange Resins", J. Polymer Sci., vol. 2, (1964), pp. 587-591 & 839.
Tuemmler et al., "Noncyclic Crown-Type Polyethers, Pyridophane Cryptands, and Their Alkali Metal Ion Complexes: Synthesis, Complex Stability, and Kinetics", Chem. Abs. 87:1336196.

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